Significant Customer and Geographic Information (Revenues) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Schedule of revenues by geographical area
Revenues	$ 35,307	$ 31,922	$ 88,298
United States [Member]
Schedule of revenues by geographical area
Revenues	16,136	11,005	51,714
Europe [Member]
Schedule of revenues by geographical area
Revenues	15,067	9,568	11,150
India [Member]
Schedule of revenues by geographical area
Revenues	919	3,099	16,813
Singapore [Member]
Schedule of revenues by geographical area
Revenues	1,435	7,220	7,507
Other Asian Countries [Member]
Schedule of revenues by geographical area
Revenues	1,637	1,030	1,114
Others [Member]
Schedule of revenues by geographical area
Revenues	$ 113	$ 0	$ 0